On January 30th, the Orthodox Church celebrates the Three Holy Hierarchs: Basil the Great, Gregory the Theologian and John Chrysostom.

The Basilica of Sant'Apollinare Nuovo was originally built by the Ostrogothic king Theodoric the Great in the early sixth century as part of his efforts to promote Arian Christianity in the region.

In his homily Wednesday, Francis quoted Saint Ambrose, who countered Arianism in Milan during his 374 to 397 reign as bishop. “Mary is the door through which Christ entered this world ...

Saint Hilary, is the doctor of Christ’s divinity. as bishop, he brilliantly defended the sacred humanity of jesus. he protected the church and its members by defeating arianism which denied the ...